Problema Solution

marla begins walking at 3 mi/h toward the libary. Her friend meets her at the halfway point and drives her the rest of the way to the library. The distance to the library is 4 miles. How many hours did Marla walk?

Answer provided by our tutors

if we take distance from beginning to library as 4 miles.

then time spent on walking taken = distance / speed =  2/3 hours   or  40 minutes.